Django Redis error

[Charles]

Hi i have encountered an error after installing django 3.0 and i after i reverted it back to my old version it doesn't run here is the traceback error 

Loading .env environment variables…

Loading .env environment variables…

Traceback (most recent call last):

  File "manage.py", line 19, in <module>

    execute_from_command_line(sys.argv)

  File "/home/panda/.local/share/virtualenvs/loans-engine-backend-iaqdRd9l/lib/python3.5/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line

    utility.execute()

  File "/home/panda/.local/share/virtualenvs/loans-engine-backend-iaqdRd9l/lib/python3.5/site-packages/django/core/management/__init__.py", line 357, in execute

    django.setup()

  File "/home/panda/.local/share/virtualenvs/loans-engine-backend-iaqdRd9l/lib/python3.5/site-packages/django/__init__.py", line 24, in setup

    apps.populate(settings.INSTALLED_APPS)

  File "/home/panda/.local/share/virtualenvs/loans-engine-backend-iaqdRd9l/lib/python3.5/site-packages/django/apps/registry.py", line 91, in populate

    app_config = AppConfig.create(entry)

  File "/home/panda/.local/share/virtualenvs/loans-engine-backend-iaqdRd9l/lib/python3.5/site-packages/django/apps/config.py", line 116, in create

    mod = import_module(mod_path)

  File "/home/panda/.local/share/virtualenvs/loans-engine-backend-iaqdRd9l/lib/python3.5/importlib/__init__.py", line 126, in import_module

    return _bootstrap._gcd_import(name[level:], package, level)

  File "<frozen importlib._bootstrap>", line 985, in _gcd_import

  File "<frozen importlib._bootstrap>", line 968, in _find_and_load

  File "<frozen importlib._bootstrap>", line 957, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 673, in _load_unlocked

  File "<frozen importlib._bootstrap_external>", line 697, in exec_module

  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed

  File "/home/panda/.local/share/virtualenvs/loans-engine-backend-iaqdRd9l/lib/python3.5/site-packages/django_q/apps.py", line 3, in <module>

    from django_q.conf import Conf

  File "/home/panda/.local/share/virtualenvs/loans-engine-backend-iaqdRd9l/lib/python3.5/site-packages/django_q/conf.py", line 153

    Q_STAT = f"django_q:{PREFIX}:cluster"

                                        ^

SyntaxError: invalid syntax

Traceback (most recent call last):

  File "manage.py", line 19, in <module>

    execute_from_command_line(sys.argv)

  File "/home/panda/.local/share/virtualenvs/loans-engine-backend-iaqdRd9l/lib/python3.5/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line

    utility.execute()

  File "/home/panda/.local/share/virtualenvs/loans-engine-backend-iaqdRd9l/lib/python3.5/site-packages/django/core/management/__init__.py", line 357, in execute

    django.setup()

  File "/home/panda/.local/share/virtualenvs/loans-engine-backend-iaqdRd9l/lib/python3.5/site-packages/django/__init__.py", line 24, in setup

    apps.populate(settings.INSTALLED_APPS)

  File "/home/panda/.local/share/virtualenvs/loans-engine-backend-iaqdRd9l/lib/python3.5/site-packages/django/apps/registry.py", line 91, in populate

    app_config = AppConfig.create(entry)

  File "/home/panda/.local/share/virtualenvs/loans-engine-backend-iaqdRd9l/lib/python3.5/site-packages/django/apps/config.py", line 116, in create

    mod = import_module(mod_path)

  File "/home/panda/.local/share/virtualenvs/loans-engine-backend-iaqdRd9l/lib/python3.5/importlib/__init__.py", line 126, in import_module

    return _bootstrap._gcd_import(name[level:], package, level)

  File "<frozen importlib._bootstrap>", line 985, in _gcd_import

  File "<frozen importlib._bootstrap>", line 968, in _find_and_load

  File "<frozen importlib._bootstrap>", line 957, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 673, in _load_unlocked

  File "<frozen importlib._bootstrap_external>", line 697, in exec_module

  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed

  File "/home/panda/.local/share/virtualenvs/loans-engine-backend-iaqdRd9l/lib/python3.5/site-packages/django_q/apps.py", line 3, in <module>

    from django_q.conf import Conf

  File "/home/panda/.local/share/virtualenvs/loans-engine-backend-iaqdRd9l/lib/python3.5/site-packages/django_q/conf.py", line 153

    Q_STAT = f"django_q:{PREFIX}:cluster"

[Kasper Laudrup]

Hi Charles,

On 24/02/2020 06.20, Charles wrote:
> "/home/panda/.local/share/virtualenvs/loans-engine-backend-iaqdRd9l/lib/python3.5/site-packages/django_q/conf.py",
> line 153
>     Q_STAT = f"django_q:{PREFIX}:cluster"
>                                         ^

Python f-strings has only been introduced in Python 3.6:

https://realpython.com/python-f-strings/

You seem to be using python 3.5.

Kind regards,

Kasper Laudrup